<template>
  <div class="container-item">
    <div class="item" v-for="n in 5000" :key="n"></div>
  </div>
</template>

<script setup>

</script>

<style lang="scss" scoped>
.container-item{
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  border: 3px solid lightblue;
}
.item{
  width: 5px;
  height: 5px;
  background-color: #ccc;
  margin: 0.2em;
}
</style>